9940760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{967}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 22476960

約数和(自身を除く): 12536200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 967, 1028, 1285, 1934, 2056, 2570, 3868, 4835, 5140, 7736, 9670, 10280, 19340, 38680, 248519, 497038, 994076, 1242595, 1988152, 2485190, 4970380, 9940760]

約数ペア:

[(1, 9940760), (2, 4970380), (4, 2485190), (5, 1988152), (8, 1242595), (10, 994076), (20, 497038), (40, 248519), (257, 38680), (514, 19340), (967, 10280), (1028, 9670), (1285, 7736), (1934, 5140), (2056, 4835), (2570, 3868)]